Search (2 results, page 1 of 1)

  • × theme_ss:"Register"
  • × year_i:[1980 TO 1990}
  1. Luhn, H.P.: Keyword-in-context index for technical literature (1985) 0.03
    0.027438603 = product of:
      0.054877207 = sum of:
        0.03715392 = weight(_text_:et in 3638) [ClassicSimilarity], result of:
          0.03715392 = score(doc=3638,freq=2.0), product of:
            0.20477319 = queryWeight, product of:
              4.692005 = idf(docFreq=1101, maxDocs=44218)
              0.043643 = queryNorm
            0.18143937 = fieldWeight in 3638, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.692005 = idf(docFreq=1101, maxDocs=44218)
              0.02734375 = fieldNorm(doc=3638)
        0.017723288 = product of:
          0.035446577 = sum of:
            0.035446577 = weight(_text_:al in 3638) [ClassicSimilarity], result of:
              0.035446577 = score(doc=3638,freq=2.0), product of:
                0.20001286 = queryWeight, product of:
                  4.582931 = idf(docFreq=1228, maxDocs=44218)
                  0.043643 = queryNorm
                0.17722149 = fieldWeight in 3638, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.582931 = idf(docFreq=1228, maxDocs=44218)
                  0.02734375 = fieldNorm(doc=3638)
          0.5 = coord(1/2)
      0.5 = coord(2/4)
    
    Source
    Theory of subject analysis: a sourcebook. Ed.: L.M. Chan, et al
  2. Craven, T. C.: String indexing (1986) 0.01
    0.014343265 = product of:
      0.05737306 = sum of:
        0.05737306 = weight(_text_:c in 5604) [ClassicSimilarity], result of:
          0.05737306 = score(doc=5604,freq=2.0), product of:
            0.1505424 = queryWeight, product of:
              3.4494052 = idf(docFreq=3817, maxDocs=44218)
              0.043643 = queryNorm
            0.381109 = fieldWeight in 5604, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.4494052 = idf(docFreq=3817, maxDocs=44218)
              0.078125 = fieldNorm(doc=5604)
      0.25 = coord(1/4)
    

Types

Classifications